Answer: Historians have identified several causes that led to the outbreak of the Cold War, including: tensions between the two nations at the end of World War II, the ideological conflict between both the United States and the Soviet Union, the emergence of nuclear weapons, and the fear of communism in the United States.
Explanation:
Paper from the Tang/Song dynasty to the Islamic empire, also because of that the Islamic empire has adapted paper money that is originated from China
Yes they are on the upper and lower half's of the world